Smithsonian museums are open every day of the year except December 25, unless otherwise noted. Special spring, summer, and holiday hours are determined annually; see Special Hours below.
Open 8:30 a.m. to 5:30 p.m. daily
- Smithsonian Castle: Visitor Center
Open 9 a.m. to 6 p.m. daily (Oct. 1–Mar.14: 9 a.m. to 4 p.m.)
- National Zoo
Open 10 a.m. to 5:30 p.m. daily
- African American History and Culture Museum
- African Art Museum
- Air and Space Museum and Hazy Center
- American History Museum
- American Indian Museum
- Freer | Sackler Galleries (Closed until Oct. 14, 2017)
- Hirshhorn Museum
- Natural History Museum
- Postal Museum
- Renwick Gallery
- Ripley Center
Open 10 a.m. to 5 p.m. daily
- Anacostia Community Museum
- National Museum of American Indian Heye Center (NYC) (Thursdays until 8 p.m.)
Open 10 a.m. to 6 p.m. daily
- Cooper Hewitt, Smithsonian Design Museum (NYC) (Saturdays until 9 p.m.)
Closed Thanksgiving and December 25
Open 11:30 a.m. to 7 p.m. daily
- Smithsonian American Art Museum
- National Portrait Gallery
- NASM = Air and Space Museum
- NMAAHC = African American Museum: TIMED PASSES REQUIRED
- NMAH = American History Museum
- NMNH = Natural History Museum
- UHC = Air and Space Museum Udvar-Hazy Center